[issue18645] Add a configure option for performance guided optimization

[Stefan Behnel]

Stefan Behnel added the comment:

Looks like a duplicate of issue 17781. Ubuntu already does this for their builds and gets substantially better performance, so I can't see a reason why CPython shouldn't just follow.

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nosy: +scoder

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue18645>
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